St John Kronstadt Convalescent Center
Castro Valley, Alameda County, California · CCN 555016 · Non-profit (Corporation) · not part of a chain
CMS rates St John Kronstadt Convalescent Center 5 of 5 overall as of August 2026. 49 certified beds, 43 residents a day on average. 33 citations on record from the current inspection cycles, 1 at immediate jeopardy; no fines on record.
CMS’s ratings
The Five-Star Quality Rating System, as CMS publishes it. Where CMS gives no rating, the reason CMS gives is printed instead.
| Overall | ★★★★★ 5 of 5 |
|---|---|
| Health inspections | ★★★★☆ 4 of 5 |
| Staffing | ★★★★★ 5 of 5 |
| Quality measures | ★★★★★ 5 of 5 |
| Quality: long-stay / short-stay | 5 / — of 5 |
Staffing
| Total nurse staffing | 4.21529 hours per resident per day |
|---|---|
| Registered nurses | 0.68522 hours per resident per day |
| Weekend total | 3.71224 hours per resident per day |
| Nursing staff turnover | 12.2% (registered nurses 16.7%) |
| Administrators who left | 0 |
Citations from health inspections
Each is a finding by a state surveyor on the date shown, in CMS’s words. The severity is CMS’s scope-and-severity grid, spelled out: harm on the left, how widespread on the right.
| Survey | Finding | Severity | Status |
|---|---|---|---|
| 2025-11-21 | Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures. Pharmacy Service Deficiencies · tag F0756 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs. Pharmacy Service Deficiencies · tag F0761 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. Nutrition and Dietary Deficiencies · tag F0812 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed. Resident Assessment and Care Planning Deficiencies · tag F0644 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured. Resident Assessment and Care Planning Deficiencies · tag F0656 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Ensure services provided by the nursing facility meet professional standards of quality. Resident Assessment and Care Planning Deficiencies · tag F0658 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Provide care and assistance to perform activities of daily living for any resident who is unable. Quality of Life and Care Deficiencies · tag F0677 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Post nurse staffing information every day. Nursing and Physician Services Deficiencies · tag F0732 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Provide and implement an infection prevention and control program. Infection Control Deficiencies · tag F0880 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Develop and implement policies and procedures for flu and pneumonia vaccinations. Infection Control Deficiencies · tag F0883 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-12-21 |
| 2025-11-21 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. Environmental Deficiencies · tag F0912 |
B No actual harm, with potential for minimal harm; pattern | Deficient, Provider has date of correction 2025-12-21 |
| 2025-04-16 complaint survey |
Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities. Freedom from Abuse, Neglect, and Exploitation Deficiencies · tag F0609 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-05-27 |
| 2024-12-10 complaint survey |
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents. Quality of Life and Care Deficiencies · tag F0689 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2025-01-15 |
| 2024-06-07 | Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. Resident Rights Deficiencies · tag F0550 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-07-04 |
| 2024-06-07 | Provide care and assistance to perform activities of daily living for any resident who is unable. Quality of Life and Care Deficiencies · tag F0677 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-07-04 |
| 2024-06-07 | Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs. Pharmacy Service Deficiencies · tag F0761 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2024-07-04 |
| 2024-06-07 | Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist. Pharmacy Service Deficiencies · tag F0755 |
D No actual harm, with potential for more than minimal harm; isolated | Deficient, Provider has date of correction 2024-07-04 |
| 2024-06-07 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. Environmental Deficiencies · tag F0912 |
B No actual harm, with potential for minimal harm; pattern | Deficient, Provider has date of correction 2024-07-04 |
| 2023-02-17 | Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician. Nutrition and Dietary Deficiencies · tag F0801 |
K Immediate jeopardy to resident health or safety; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Ensure menus must meet the nutritional needs of residents, be prepared in advance, be followed, be updated, be reviewed by dietician, and meet the needs of the resident. Nutrition and Dietary Deficiencies · tag F0803 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-05-17 |
| 2023-02-17 | Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature. Nutrition and Dietary Deficiencies · tag F0804 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-05-17 |
| 2023-02-17 | Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards. Nutrition and Dietary Deficiencies · tag F0812 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-05-17 |
| 2023-02-17 | Provide and implement an infection prevention and control program. Infection Control Deficiencies · tag F0880 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home. Infection Control Deficiencies · tag F0882 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Keep all essential equipment working safely. Environmental Deficiencies · tag F0908 |
F No actual harm, with potential for more than minimal harm; widespread | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights. Resident Rights Deficiencies · tag F0550 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Reasonably accommodate the needs and preferences of each resident. Resident Rights Deficiencies · tag F0558 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Observe each nurse aide's job performance and give regular training. Nursing and Physician Services Deficiencies · tag F0730 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Ensure medication error rates are not 5 percent or greater. Pharmacy Service Deficiencies · tag F0759 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Ensure that residents are free from significant medication errors. Pharmacy Service Deficiencies · tag F0760 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-03-24 |
| 2023-02-17 | Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service. Nutrition and Dietary Deficiencies · tag F0802 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-05-17 |
| 2023-02-17 | Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs. Nutrition and Dietary Deficiencies · tag F0805 |
E No actual harm, with potential for more than minimal harm; pattern | Deficient, Provider has date of correction 2023-05-17 |
| 2023-02-17 | Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms. Environmental Deficiencies · tag F0912 |
D No actual harm, with potential for more than minimal harm; isolated | Waiver has been granted 2023-03-24 |
Fines and payment denials
No fines or payment denials on record since 2023.
Who owns and runs it
Every owner, officer and manager CMS lists, as filed. These are the names in CMS’s ownership record; anyone named in the ownership record can ask about it on the about page.
| Name | Role | Share | Since |
|---|---|---|---|
| St John Kronstadt Home For Aged Russian Americans Organization | 5% or greater direct ownership interest | 100% | 1971-10-15 |
| Serenity 4 Management Services LLC Organization | adp of the snf | — | 2024-01-01 |
| Serenity 4 Management Services LLC Organization | operational/managerial control | — | 2024-01-01 |
| Garcia, Fabiola Individual | adp of the snf | — | 2023-01-25 |
| Grimes, Jeremy Individual | adp of the snf | — | 2011-01-01 |
| Huynh, Uyen-Chi Individual | adp of the snf | — | 2024-01-01 |
| Koloboff, Constantine Individual | corporate director | — | 2007-01-01 |
| Loukianoff, Alexander Individual | corporate director | — | 2007-01-01 |
| Maximow, Andrew Individual | corporate director | — | 2010-01-01 |
| Pavlenko, Stefan Individual | corporate director | — | 2004-11-22 |
| Koloboff, Constantine Individual | corporate officer | — | 2007-01-01 |
| Pavlenko, Stefan Individual | corporate officer | — | 2000-01-01 |
| Danby, Craig Individual | operational/managerial control | — | 2014-04-01 |
| Garcia, Fabiola Individual | operational/managerial control | — | 2023-01-25 |
| Gonzalez, Edward Individual | operational/managerial control | — | 2014-01-01 |
| Grimes, Jeremy Individual | operational/managerial control | — | 2014-01-01 |
What changed
Nothing has changed in this record since it was first loaded. The next CMS refresh is the next chance.
Tell me when this record changes
One email when the monthly CMS refresh brings a new citation, a fine or payment denial, a rating change, a flag, or a change of ownership for St John Kronstadt Convalescent Center.
Source: Centers for Medicare & Medicaid Services, Provider Data Catalog (public domain), files dated 2026-08-01. Ratings are CMS’s; citations are state surveyors’ findings; nothing here is estimated or a recommendation. Every nursing home in Alameda County.